Evalyn Knapp stars as the titular Pauline Hargrave in this 12-episode adventure serial. Attempting to prevent the formula for a lethal gas from falling into the wrong hands, Pauline and her distinguished scientist father (James Durkin) journey halfway around the globe to Indochina. But hot on their heels is a battalion of thugs in league with the villainous Dr. Bashan (John Davidson) ... who has world domination on his mind.